Collapse: Interactive (Grades 9-12)Join us as we explore the collapse of four ancient civilizations. You'll learn what happens when a society collapses and how archaeologists find and interpret evidence. You can visit the Maya city of
http://www.learner.org/interactives/collapse/index...
Lost Worlds: The Game from the History ChannelLOST WORLDS: THE GAME re-creates the past in stunning detail. Through hidden images, puzzles, and secrets, you will peer through the mists of time to reveal three incredible Lost Worlds.
The Histor
http://www.lostworldsgamepage.com